's RIJKS MUSEUM VAN NATUURLIJKE HISTORIE — LEIDEN. 77 



and Wellfleet (Mass.) Ann. report of Commissioner of fish a. fisheries 



for 1881, 1884, p. 707, PL I, figs. 9—11. Wellfleet. 

 multipapillata Théel. Annél. des Mers de la N.-Zemble. Kongl. Sv. 



Yet. Akad. Handl. Vol. 16, 1879, p. 38, PL III, fig. 38. Nov. Zembla. 

 C. 2 pairs of tentacular cirri. 



arctica Malmgr. Mc Intosh, loc. cit. p. 125, Pits. 58, 69 and 79. 



Ireland, Greenland, Behrings Strait. 

 britannica Chamb. Chamberlin, Report Canad. Arctic Exped. 1913 — 18, 



Yol. IX, Polychaeta, 1920, p. 13. Ireland. 

 fusca Johnst. Me Intosh, loc. cit. p. 127, Pits. 46, 58, 69 and 79. 



Coast of England and France, Mediterranean. 

 fusca var. Mbernica South. Southern, Clare island Survey, part 47, 



Proc. royal Irish Acad. Yol. XXXI, 1914, p. 49, PL Y, fig. 8. 



Clew bay. 



Genus Syllidia Quatrefages. 

 (Magalia Mar. & Bobr.). 



Cephalic lobe roundish quadrangular with four eyes and 2 antennae 

 on its anterior margin; palps present. Proboscis armed with a pair of 

 denticulated maxillae and an unpaired stylet, its anterior margin being 

 provided with papillae and hair-like appendages. 3 pairs of articulated 

 tentacular cirri on each side. Parapodia uniramous. 



armata Qfgs. (perarmata Mar. & Bobr.) Histoire natur. des Annelés, 

 1865, p. 13, PL VIII, figs. 10—15. Marion et Bobretzky, Annél. du 

 golfe de Marseille; Ann. Sc. nat. (6e Ser.) Vol. II, 1875, p. 54, 

 Pis. 6 and 7. Augener, loc. cit., p. 227. Coast of England and France, 

 Madeira, West- Afrika. 



inermis Ehl. Nation, antarctic expedition 1901 — 04 (Discovery) Poly- 

 chaeta, 1912, p. 15, PL II, figs. 1 — 5, Antarctic. 



Genus Lamproderma Grube. 



Body short. Cephalic lobe with two antennae and two palps; two 

 pairs of eyes present. Proboscis with a jaw in the mid-dorsal and the 

 mid-ventral line. 3 pairs of tentacular cirri on each side. Parapodia 

 biramous. 



longicirre Gr. Annelidenausbeute von S. M. S. Gazelle, Monatsber. 

 K. Akad. d. Wissensch. Berlin, 1877, p. 525. Great Harbour (New Britain). 



Genus Microphthalmus Mecznikow. 



Cephalic lobe with 3 smooth antennae, the unpaired one on the pos- 

 terior half of the head ; palps present. A single pair of small eyes. Pro- 



